Have you heard of the home renting company Airbnb? What about the file hosting service Dropbox? Both of these companies are huge now, but back in 2007, it was a different story. Airbnb and Dropbox were simply startups trying to grow their brand and gain momentum. Once they discovered growth hacking, they set themselves apart from other startups and gained customers rapidly. Now, they’re some of the most well-known companies in their respective spaces.